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i cannot open my pdf files from outlook

Re: i cannot open my pdf files from outlook

Cannot open attachments in Microsoft Outlook
Important This article contains information about modifying the registry. Before you
modify the registry, make sure to back it up and make sure that you understand how
to restore the registry if a problem occurs. For information about how to back up,
restore, and edit the registry, click the following article number to view the article in
the Microsoft Knowledge Base:
256986 Description of the Microsoft Windows Registry
SUMMARY
Outlook includes a feature that blocks attachments that are considered unsafe. If you receive an e-mail message that
contains an attachment that contains one of the file types that are considered unsafe, you may receive the following
message:
Outlook blocked access to the following potentially unsafe attachments: [...]
Although Outlook blocks access to the attachment, the attachment still exists in the e-mail message.
This article discusses the methods to use if you have to open an attachment that has been blocked in Outlook.
MORE INFORMATION
This security feature provides an additional level of protection against malicious e-mail messages. By default, this feature
has been implemented in each version of Outlook since Outlook 2000 Service Release 1 (SR1).
1. Quit Outlook if it is running.
2. Click Start , and then click Run.
3. In the Open box, type regedit, and then click OK.
4. Verify that the following registry key for your version of Outlook exists. If it does, go to step 5.
Outlook 2000
HKEY_CURRENT_USER\Software\Microsoft\Office\9.0\Ou tlook\Security
Outlook 2002
HKEY_CURRENT_USER\Software\Microsoft\Office\10.0\O utlook\Security
Outlook 2003
HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\O utlook\Security
If the registry key does not exist, create it. To create the registry key, locate and then click the following
registry key:
HKEY_CURRENT_USER\Software\Microsoft
a. Click the Edit menu, click New, and then click Key.
b. Type Office , and then press ENTER.
c. Click the Edit menu, click New, and then click Key.
d. Type 11.0, and then press ENTER.
Note This is the correct name if you are using Outlook 2003. If you are using Outlook 2000 or Outlook
2002, you will need to type "9.0" or "10.0", respectively.
e. Click the Edit menu, click New, and then click Key.
f. Type Outlook, and then press ENTER.
g. Click the Edit menu, click New, and then click Key.
h. Type Security, and then press ENTER.
5. Click the Edit menu, click New, and then click String Value.
6. Type the following name for the new value:
Level1Remove
7. Press ENTER.
8. Right-click the new string value name, and then click Modify.
9. Type the file name extension of the file type that you want to open in Outlook . For example:
.exe
To specify multiple file types, use the following format:
.exe;.com
10. Click OK.
11. Quit Registry Editor.
12. Restart your computer.